Please wait, while we are loading the content...
Please wait, while we are loading the content...
| Content Provider | Springer Nature Link |
|---|---|
| Author | O'Donnell, S. Reichardt, M. Foster, R. |
| Copyright Year | 2000 |
| Abstract | We quantified the relationships of colony-level factors (number of workers and colony age) with task performance by workers of the bumble bee Bombus bifarius. Worker's age of first foraging decreased as their colonies aged, which may have caused the observed decrease in worker longevity with colony age. Daily variation in colony nectar foraging rates was related to the number of active foragers, while pollen foraging rates corresponded more strongly with variation in numbers of adult workers. Rates of brood care behavior decreased as the colonies aged, but rates of thermoregulatory behavior (incubation and fanning) did not decrease over time. We conclude that rates of performing some tasks (pollen foraging, brood care) were largely determined by changes in colony demography or correlated variables, while rates of performance of other tasks (nectar foraging, thermoregulation) depended more on external environmental conditions. Most workers switched between two foraging tasks (pollen and nectar collection) and among several in-nest tasks. However, some foragers specialized by focusing their effort on either nectar or pollen. Other workers specialized on in-nest tasks by performing thermoregulatory behavior (incubation and fanning) at significantly higher rates than their nestmates. The task specialists contributed disproportionate amounts of labor to their colonies. Task specialization indicates that workers were not identical in their responses to variation in colony need. |
| Starting Page | 164 |
| Ending Page | 170 |
| Page Count | 7 |
| File Format | |
| ISSN | 00201812 |
| Journal | Insectes Sociaux |
| Volume Number | 47 |
| Issue Number | 2 |
| e-ISSN | 14209098 |
| Language | German |
| Publisher | Birkhäuser Verlag |
| Publisher Date | 2000-05-01 |
| Publisher Place | Basel |
| Access Restriction | One Nation One Subscription (ONOS) |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ecology, Evolution, Behavior and Systematics Insect Science |
National Digital Library of India (NDLI) is a virtual repository of learning resources which is not just a repository with search/browse facilities but provides a host of services for the learner community. It is sponsored and mentored by Ministry of Education, Government of India, through its National Mission on Education through Information and Communication Technology (NMEICT). Filtered and federated searching is employed to facilitate focused searching so that learners can find the right resource with least effort and in minimum time. NDLI provides user group-specific services such as Examination Preparatory for School and College students and job aspirants. Services for Researchers and general learners are also provided. NDLI is designed to hold content of any language and provides interface support for 10 most widely used Indian languages. It is built to provide support for all academic levels including researchers and life-long learners, all disciplines, all popular forms of access devices and differently-abled learners. It is designed to enable people to learn and prepare from best practices from all over the world and to facilitate researchers to perform inter-linked exploration from multiple sources. It is developed, operated and maintained from Indian Institute of Technology Kharagpur.
Learn more about this project from here.
NDLI is a conglomeration of freely available or institutionally contributed or donated or publisher managed contents. Almost all these contents are hosted and accessed from respective sources. The responsibility for authenticity, relevance, completeness, accuracy, reliability and suitability of these contents rests with the respective organization and NDLI has no responsibility or liability for these. Every effort is made to keep the NDLI portal up and running smoothly unless there are some unavoidable technical issues.
Ministry of Education, through its National Mission on Education through Information and Communication Technology (NMEICT), has sponsored and funded the National Digital Library of India (NDLI) project.
| Sl. | Authority | Responsibilities | Communication Details |
|---|---|---|---|
| 1 | Ministry of Education (GoI), Department of Higher Education |
Sanctioning Authority | https://www.education.gov.in/ict-initiatives |
| 2 | Indian Institute of Technology Kharagpur | Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project | https://www.iitkgp.ac.in |
| 3 | National Digital Library of India Office, Indian Institute of Technology Kharagpur | The administrative and infrastructural headquarters of the project | Dr. B. Sutradhar bsutra@ndl.gov.in |
| 4 | Project PI / Joint PI | Principal Investigator and Joint Principal Investigators of the project |
Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon |
| 5 | Website/Portal (Helpdesk) | Queries regarding NDLI and its services | support@ndl.gov.in |
| 6 | Contents and Copyright Issues | Queries related to content curation and copyright issues | content@ndl.gov.in |
| 7 | National Digital Library of India Club (NDLI Club) | Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach | clubsupport@ndl.gov.in |
| 8 | Digital Preservation Centre (DPC) | Assistance with digitizing and archiving copyright-free printed books | dpc@ndl.gov.in |
| 9 | IDR Setup or Support | Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops | idr@ndl.gov.in |
|
Loading...
|